• seating width (S)
• armrests width (P)
• maximum reclining degree (K)
• padding (Z)                 

                 
On the basis of the above data, these parameters can be shown as follows:

1. armchairs in modernised B767 airplanes: Business class offers cocoon shell armchairs with electric support system and controls, headrest with „ears” , reclining S-18,7"; P-2,1"/6,6"/2,1", K-11 degrees to horizontal, designed to provide maximum comfort for long flights, preventing thrombosis. 
2. in medium distance airplanes B737: all seats have the parameters S-17, P-2, Z- taking into account Bosstech technology - shaped to the average backbone of the modern passenger, with regard to padding it prevents thrombosis and ensures a comfortable headrest.
3. in medium distance airplanes type Embraer: all seats have the parameters S-17, P-2, Z - taking into account Bosstech technology - shaped to the average backbone of the modern passenger with regard to padding it prevents thrombosis and ensures a comfortable headrest. 
4. in short distance airplanes type ATR: all seats have the parameters S-17, P-2 Z - shaped as standard in the seat part flat, with regard to padding it is anti-thrombosis ensuring a comfortable headrest.